From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Thu, 18 Sep 2014 17:08:53 +0000 (+0300)
Subject: spi: dw-mid: terminate ongoing transfers at exit
X-Git-Url: http://git.mmlx.us/?a=commitdiff_plain;h=9fa1d75bead1cfe2718d4e81fd039ea4006da745;p=linux-edison.git

spi: dw-mid: terminate ongoing transfers at exit

commit 8e45ef682cb31fda62ed4eeede5d9745a0a1b1e2 upstream.

Do full clean up at exit, means terminate all ongoing DMA transfers.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/spi/spi-dw-mid.c b/drivers/spi/spi-dw-mid.c
index b8ac40c8a22..0791c92e8c5 100644
--- a/drivers/spi/spi-dw-mid.c
+++ b/drivers/spi/spi-dw-mid.c
@@ -91,7 +91,11 @@ static void mid_spi_dma_exit(struct dw_spi *dws)
 {
 	if (!dws->dma_inited)
 		return;
+
+	dmaengine_terminate_all(dws->txchan);
 	dma_release_channel(dws->txchan);
+
+	dmaengine_terminate_all(dws->rxchan);
 	dma_release_channel(dws->rxchan);
 }